diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/AuthkeySignType.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/AuthkeySignType.kt
index 395d18f..ea3ae2a 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/AuthkeySignType.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/AuthkeySignType.kt
@@ -1,13 +1,13 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoEnum
 
-@AddedIn(Version.GI_CB1)
+@AddedIn(GI_CB1)
 @ProtoEnum
-enum class AuthkeySignType {
+internal enum class AuthkeySignType {
     AUTHKEY_SIGN_TYPE_NONE,
     AUTHKEY_SIGN_TYPE_DEFAULT,
     AUTHKEY_SIGN_TYPE_RSA,
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ChangeMailStarNotify.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ChangeMailStarNotify.kt
index 1424cc0..a5fe372 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ChangeMailStarNotify.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ChangeMailStarNotify.kt
@@ -1,12 +1,13 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_1_5_0
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.CLIENT
 
-@AddedIn(Version.GI_1_5_0)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.CLIENT)
-interface ChangeMailStarNotify {
+@AddedIn(GI_1_5_0)
+@ProtoCommand(CLIENT)
+internal interface ChangeMailStarNotify {
     var isStar: Boolean
     var mailIdList: List<Int>
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ClientNewMailNotify.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ClientNewMailNotify.kt
index 9447541..b37dbf4 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ClientNewMailNotify.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ClientNewMailNotify.kt
@@ -1,12 +1,13 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.NOTIFY
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.NOTIFY)
-interface ClientNewMailNotify {
-    var notReadNum: Int
+@AddedIn(GI_CB1)
+@ProtoCommand(NOTIFY)
+internal interface ClientNewMailNotify {
     var notGotAttachmentNum: Int
-}
\ No newline at end of file
+    var notReadNum: Int
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailReq.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailReq.kt
index ccbecf2..44be831 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailReq.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailReq.kt
@@ -1,11 +1,12 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST)
-interface DelMailReq {
+@AddedIn(GI_CB1)
+@ProtoCommand(REQUEST)
+internal interface DelMailReq {
     var mailIdList: List<Int>
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailRsp.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailRsp.kt
index 78129ce..bf91698 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailRsp.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/DelMailRsp.kt
@@ -1,12 +1,13 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE)
-interface DelMailRsp {
+@AddedIn(GI_CB1)
+@ProtoCommand(RESPONSE)
+internal interface DelMailRsp {
     var mailIdList: List<Int>
     var retCode: Int
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailNotify.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailNotify.kt
index 588e499..612e644 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailNotify.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailNotify.kt
@@ -1,12 +1,13 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_3_0_0
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.CLIENT
 
 
-@AddedIn(Version.GI_3_0_0)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.CLIENT)
-interface GetAllMailNotify {
+@AddedIn(GI_3_0_0)
+@ProtoCommand(CLIENT)
+internal interface GetAllMailNotify {
     var isCollected : Boolean
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailReq.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailReq.kt
index ae1716b..5f92e4b 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailReq.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailReq.kt
@@ -2,11 +2,13 @@ package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
+import org.anime_game_servers.core.base.Version.GI_2_4_0
+import org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST)
-interface GetAllMailReq {
-    @AddedIn(Version.GI_2_4_0)
+@AddedIn(GI_CB1)
+@ProtoCommand(REQUEST)
+internal interface GetAllMailReq {
+    @AddedIn(GI_2_4_0)
     var isCollected : Boolean
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailResultNotify.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailResultNotify.kt
index c7f7f63..e3d4b48 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailResultNotify.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailResultNotify.kt
@@ -1,16 +1,17 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_3_0_0
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.NOTIFY
 
-@AddedIn(Version.GI_3_0_0)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.NOTIFY)
-interface GetAllMailResultNotify {
-    var mailList: List<MailData>
-    var transaction: String
-    var totalPageCount: Int
-    var pageIndex: Int
+@AddedIn(GI_3_0_0)
+@ProtoCommand(NOTIFY)
+internal interface GetAllMailResultNotify {
     var isCollected: Boolean
+    var mailList: List<MailData>
+    var pageIndex: Int
+    var totalPageCount: Int
+    var transaction: String
     var retCode: Int
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailRsp.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailRsp.kt
index c7bd282..f111b1b 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailRsp.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAllMailRsp.kt
@@ -1,16 +1,19 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
+import org.anime_game_servers.core.base.Version.GI_1_5_0
+import org.anime_game_servers.core.base.Version.GI_2_4_0
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE)
-interface GetAllMailRsp {
+@AddedIn(GI_CB1)
+@ProtoCommand(RESPONSE)
+internal interface GetAllMailRsp {
     var mailList: List<MailData>
     var retCode: Int
-    @AddedIn(Version.GI_1_5_0)
+    @AddedIn(GI_1_5_0)
     var isTruncated: Boolean
-    @AddedIn(Version.GI_2_4_0)
+    @AddedIn(GI_2_4_0)
     var isCollected: Boolean
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyReq.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyReq.kt
index f439abd..245c8d1 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyReq.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyReq.kt
@@ -1,13 +1,14 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST)
-interface GetAuthkeyReq {
+@AddedIn(GI_CB1)
+@ProtoCommand(REQUEST)
+internal interface GetAuthkeyReq {
     var authAppid: String
-    var signType: Int
     var authkeyVer: Int
-}
\ No newline at end of file
+    var signType: Int
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyRsp.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyRsp.kt
index c351812..b0249fa 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyRsp.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetAuthkeyRsp.kt
@@ -1,16 +1,17 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE)
-interface GetAuthkeyRsp {
-    var authKey: String
+@AddedIn(GI_CB1)
+@ProtoCommand(RESPONSE)
+internal interface GetAuthkeyRsp {
     var authAppid: String
-    var signType: Int
+    var authKey: String
     var authkeyVer: Int
     var gameBiz: String
+    var signType: Int
     var retCode: Int
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemReq.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemReq.kt
index 1f894af..edf78a0 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemReq.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemReq.kt
@@ -1,11 +1,12 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.REQUEST)
-interface GetMailItemReq {
+@AddedIn(GI_CB1)
+@ProtoCommand(REQUEST)
+internal interface GetMailItemReq {
     var mailIdList: List<Int>
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemRsp.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemRsp.kt
index 8d33241..77778be 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemRsp.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/GetMailItemRsp.kt
@@ -2,13 +2,14 @@ package org.anime_game_servers.multi_proto.gi.data.mail
 
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.multi_proto.gi.data.general.item.EquipParam
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.RESPONSE)
-interface GetMailItemRsp {
+@AddedIn(GI_CB1)
+@ProtoCommand(RESPONSE)
+internal interface GetMailItemRsp {
     var mailIdList: List<Int>
     var itemList: List<EquipParam>
     var retCode: Int
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailChangeNotify.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailChangeNotify.kt
index cbab96f..fe92527 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailChangeNotify.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailChangeNotify.kt
@@ -1,12 +1,13 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.NOTIFY
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.NOTIFY)
-interface MailChangeNotify {
-    var mailList: List<MailData>
+@AddedIn(GI_CB1)
+@ProtoCommand(NOTIFY)
+internal interface MailChangeNotify {
     var delMailIdList: List<Int>
-}
\ No newline at end of file
+    var mailList: List<MailData>
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailCollectState.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailCollectState.kt
index c52598d..198e3f6 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailCollectState.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailCollectState.kt
@@ -7,7 +7,7 @@ import org.anime_game_servers.core.base.annotations.proto.ProtoEnum
 
 @AddedIn(Version.GI_2_4_0)
 @ProtoEnum
-enum class MailCollectState {
+internal enum class MailCollectState {
     @AltName("MAIL_COLLECTIBLE_UNKONW", "MAIL_COLLECT_STATE_COLLECTIBLE_UNKONW", "MAIL_COLLECT_STATE_COLLECTIBLE_UNKNOWN")
     MAIL_COLLECTIBLE_UNKNOWN,
     @AltName("MAIL_COLLECT_STATE_NOT_COLLECTIBLE")
@@ -17,4 +17,4 @@ enum class MailCollectState {
     @AltName("MAIL_COLLECT_STATE_COLLECTIBLE_COLLECTED")
     MAIL_COLLECTIBLE_COLLECTED,
 
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailData.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailData.kt
index be3667b..c1f42aa 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailData.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailData.kt
@@ -1,34 +1,35 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
+import org.anime_game_servers.core.base.Version.GI_CB2
+import org.anime_game_servers.core.base.Version.GI_0_9_0
+import org.anime_game_servers.core.base.Version.GI_2_4_0
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.RemovedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoModel
 
-@AddedIn(Version.GI_CB1)
+@AddedIn(GI_CB1)
 @ProtoModel
-interface MailData {
-    var mailId: Int
-
-    @RemovedIn(Version.GI_CB2)
-    var index: Int
-
-    @RemovedIn(Version.GI_CB2)
-    var textId: Int
-    var mailTextContent: MailTextContent
-    var itemList: List<MailItem>// before 0.9 it was EquipParam TODO handle this
-    var sendTime: Int
+internal interface MailData {
     var expireTime: Int
     var importance: Int
     var isRead: Boolean
     var isAttachmentGot: Boolean
+    var itemList: List<MailItem>// before 0.9 it was EquipParam TODO handle this
+    var mailId: Int
+    var mailTextContent: MailTextContent
+    var sendTime: Int
 
-    @AddedIn(Version.GI_0_9_0)
+    @RemovedIn(GI_CB2)
+    var index: Int
+    @RemovedIn(GI_CB2)
+    var textId: Int
+
+    @AddedIn(GI_0_9_0)
     var configId: Int
-
-    @AddedIn(Version.GI_0_9_0)
+    @AddedIn(GI_0_9_0)
     var argumentList: List<String>
 
-    @AddedIn(Version.GI_2_4_0)
+    @AddedIn(GI_2_4_0)
     var collectState: MailCollectState
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailItem.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailItem.kt
index 7f32270..c99e755 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailItem.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailItem.kt
@@ -3,12 +3,12 @@ package org.anime_game_servers.multi_proto.gi.data.mail
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.multi_proto.gi.data.general.item.EquipParam
 import org.anime_game_servers.multi_proto.gi.data.general.item.MaterialDeleteInfo
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_0_9_0
 import org.anime_game_servers.core.base.annotations.proto.ProtoModel
 
-@AddedIn(Version.GI_0_9_0)
+@AddedIn(GI_0_9_0)
 @ProtoModel
-interface MailItem {
-    var equipParam: EquipParam
+internal interface MailItem {
     var deleteInfo: MaterialDeleteInfo
-}
\ No newline at end of file
+    var equipParam: EquipParam
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailTextContent.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailTextContent.kt
index 4c8dc40..a5ebcb6 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailTextContent.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/MailTextContent.kt
@@ -6,8 +6,8 @@ import org.anime_game_servers.core.base.annotations.proto.ProtoModel
 
 @AddedIn(Version.GI_CB1)
 @ProtoModel
-interface MailTextContent {
+internal interface MailTextContent {
     var title: String
     var content: String
     var sender: String
-}
\ No newline at end of file
+}
diff --git a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ReadMailNotify.kt b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ReadMailNotify.kt
index c8c3f68..6228270 100644
--- a/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ReadMailNotify.kt
+++ b/gi/src/commonMain/kotlin/org/anime_game_servers/multi_proto/gi/data/mail/ReadMailNotify.kt
@@ -1,11 +1,12 @@
 package org.anime_game_servers.multi_proto.gi.data.mail
 
-import org.anime_game_servers.core.base.Version
+import org.anime_game_servers.core.base.Version.GI_CB1
 import org.anime_game_servers.core.base.annotations.AddedIn
 import org.anime_game_servers.core.base.annotations.proto.ProtoCommand
+import org.anime_game_servers.core.base.annotations.proto.CommandType.CLIENT
 
-@AddedIn(Version.GI_CB1)
-@ProtoCommand(org.anime_game_servers.core.base.annotations.proto.CommandType.CLIENT)
-interface ReadMailNotify {
+@AddedIn(GI_CB1)
+@ProtoCommand(CLIENT)
+internal interface ReadMailNotify {
     var mailIdList: List<Int>
-}
\ No newline at end of file
+}